The BPD Energetic Particle Detector as Part of the Solar X-Ray Photometer ChemiX for the "Interhelioprobe” Interplanetary Mission - A. V. Dudnik; E. V. Kurbatov; I. L. Zajtsevskij; Ja. Silvester; M. Siarkovski; M. Kovalinski; P. Podgurski (Radio Physics and Radio Astronomy, 2015)